Convert Python 2 URLs to Python 3

docs/dev/plugins/other/logging.rst

@@ -13,7 +13,7 @@ str.format-style string formatting. So you can write logging calls like this:
 
 .. _pep 3101: https://www.python.org/dev/peps/pep-3101/
 
-.. _standard python logging module: https://docs.python.org/2/library/logging.html
+.. _standard python logging module: https://docs.python.org/3/library/logging.html
 
 When beets is in verbose mode, plugin messages are prefixed with the plugin name
 to make them easier to see.

docs/plugins/export.rst

@@ -70,7 +70,7 @@ These options match the options from the `Python csv module`_.
 
 .. _python csv module: https://docs.python.org/3/library/csv.html#csv-fmt-params
 
-.. _python json module: https://docs.python.org/2/library/json.html#basic-usage
+.. _python json module: https://docs.python.org/3/library/json.html#basic-usage
 
 The default options look like this:
 

docs/plugins/play.rst

@@ -123,4 +123,4 @@ until they are externally wiped could be an issue for privacy or storage
 reasons. If this is the case for you, you might want to use the ``raw`` config
 option described above.
 
-.. _tempfile.tempdir: https://docs.python.org/2/library/tempfile.html#tempfile.tempdir
+.. _tempfile.tempdir: https://docs.python.org/3/library/tempfile.html#tempfile.tempdir

docs/reference/config.rst

@@ -376,7 +376,7 @@ terminal_encoding
 ~~~~~~~~~~~~~~~~~
 
 The text encoding, as `known to Python
-<https://docs.python.org/2/library/codecs.html#standard-encodings>`__, to use
+<https://docs.python.org/3/library/codecs.html#standard-encodings>`__, to use
 for messages printed to the standard output. It's also used to read messages
 from the standard input. By default, this is determined automatically from the
 locale environment variables.